Home / 100,790,897.40-151,186,346.10-40,250,071.80

Finding the Fourth Proportional to 100,790,897.40, 151,186,346.10 and 40,250,071.80

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Solution

The fourth proportional to 100,790,897.40, 151,186,346.10 and 40,250,071.80 is: 60,375,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,790,897.40 : 151,186,346.10 = 40,250,071.80 : x
  2. Step 2: Convert to fraction form
    100,790,897.40/151,186,346.10 = 40,250,071.80/x
  3. Step 3: Cross multiply
    100,790,897.40x = 151,186,346.10 × 40,250,071.80
  4. Step 4: Simplify right side
    100,790,897.40x = 6,085,261,285,704,649
  5. Step 5: Solve for x
    x = 6,085,261,285,704,649/100,790,897.40
  6. Step 6: Final answer
    x = 60,375,107.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.